The Viking invasions of Ireland began in the late 8th century, primarily involving groups from Norway and Denmark. These incursions marked a significant period of conflict and cultural exchange in Irish history. Notable raids began around 795 AD, with the Vikings targeting monasteries and coastal settlements, seeking wealth and resources. Major cities such as Dublin, Waterford, and Limerick were established as trading posts and settlements by the Norse, transforming Ireland's socio-political landscape. The Vikings not only engaged in raiding but also integrated with local communities, influencing Irish culture and trade practices. Over time, many Vikings settled in Ireland, leading to a blending of cultures and traditions. This complex history of invasion and assimilation played a crucial role in shaping medieval Ireland and is still reflected in Irish heritage today.